gsd-2018-7170
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
ntpd in ntp 4.2.x before 4.2.8p7 and 4.3.x before 4.3.92 allows authenticated users that know the private symmetric key to create arbitrarily-many ephemeral associations in order to win the clock selection of ntpd and modify a victim's clock via a Sybil attack. This issue exists because of an incomplete fix for CVE-2016-1549.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2018-7170",
    "description": "ntpd in ntp 4.2.x before 4.2.8p7 and 4.3.x before 4.3.92 allows authenticated users that know the private symmetric key to create arbitrarily-many ephemeral associations in order to win the clock selection of ntpd and modify a victim\u0027s clock via a Sybil attack. This issue exists because of an incomplete fix for CVE-2016-1549.",
    "id": "GSD-2018-7170",
    "references": [
      "https://www.suse.com/security/cve/CVE-2018-7170.html",
      "https://advisories.mageia.org/CVE-2018-7170.html",
      "https://security.archlinux.org/CVE-2018-7170",
      "https://alas.aws.amazon.com/cve/html/CVE-2018-7170.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2018-7170"
      ],
      "details": "ntpd in ntp 4.2.x before 4.2.8p7 and 4.3.x before 4.3.92 allows authenticated users that know the private symmetric key to create arbitrarily-many ephemeral associations in order to win the clock selection of ntpd and modify a victim\u0027s clock via a Sybil attack. This issue exists because of an incomplete fix for CVE-2016-1549.",
      "id": "GSD-2018-7170",
      "modified": "2023-12-13T01:22:32.594745Z",
      "schema_version": "1.4.0"
    }
  },
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                    "version": {
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      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "NONE",
            "baseScore": 3.5,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 6.8,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "LOW",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 1.6,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2020-06-18T14:01Z",
      "publishedDate": "2018-03-06T20:29Z"
    }
  }
}


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